<template>
  <el-dropdown trigger="click" @command="handleSetSize">
    <div>
      <vab-icon class-name="size-icon" icon-class="size" />
    </div>
    <el-dropdown-menu slot="dropdown">
      <el-dropdown-item :disabled="size === 'medium'" command="medium">
        Medium
      </el-dropdown-item>
      <el-dropdown-item :disabled="size === 'small'" command="small">
        Small
      </el-dropdown-item>
    </el-dropdown-menu>
  </el-dropdown>
</template>

<script>
  export default {
    computed: {
      size() {
        return this.$store.getters.size
      },
    },
    methods: {
      handleSetSize(size) {
        this.$ELEMENT.size = size
        this.$store.dispatch('setSize', size)
        this.refreshView()
        this.$message({
          message: 'Switch Size Success',
          type: 'success',
        })
      },
      refreshView() {
        this.$store.dispatch('delAllCachedViews', this.$route)

        const { fullPath } = this.$route

        this.$nextTick(() => {
          this.$router.replace({
            path: '/redirect' + fullPath,
          })
        })
      },
    },
  }
</script>

<style scoped>
  .size-icon {
    font-size: 20px;
    vertical-align: -4px !important;
    cursor: pointer;
  }
</style>
